Find the simple rule that creates this series. 3×4 = 8 4×5 = 50 5×6 = 30 6×7 = 49 7×8 = ?

Find the missing number, if same rule is followed row-wise or column-wise.

If the figures having some characters given below follow the same rule, then find the missing number from the options?

The table lists input and output pairs for a rule. What is the missing output, and what is the rule?

Can you determine the missing number in the box? The same rule of logic applies to all three boxes?